KR102536822B1 - 3D digital twin dam safety management system and method using 3D modeling - Google Patents

Abstract

The present invention expresses and visualizes the structure of a dam through 3D modeling based on three-dimensional space perception, analyzes the data detected through each sensor of the dam, and visually and three-dimensionally expresses the data analysis result so that it is easy to understand. A 3D digital twin dam safety management system and method that synchronizes data information and provides related information in real time from different tools, and allows practitioners to check each part in real time at the dam site and report it immediately. it's about
The 3D digital twin dam safety management system according to an embodiment of the present invention includes at least one instrument installed in each area of the dam body to measure various information; The structure of the dam body is 3D modeled based on 3-dimensional space recognition, expressed as a digital twin dam model and visualized, and the data detected through the one or more measuring instruments is reflected in the digital twin dam model and analyzed to provide abnormalities. server; A database for storing main construction information, physical property information, inspection and diagnosis history information, and major maintenance and reinforcement information for the management of the dam body; and an inspection terminal for inputting inspection items for each zone of the dam body and transmitting the information to the control server while moving around the dam body.

Description

3D digital twin dam safety management system and method {3D digital twin dam safety management system and method using 3D modeling}

The present invention relates to a digital twin dam safety management system and method using 3D modeling, and more particularly, to express and visualize the structure of a dam with 3D modeling based on 3D space recognition, and data detected through each sensor of the dam analysis, visual and three-dimensional representation of data analysis results for easy understanding, providing information or knowledge using VR/AR without complicated reasoning process, synchronizing related data information and linking it in different tools. It relates to a 3D digital twin dam safety management system and method that provides information in real time and allows practitioners to inspect each part in real time at the dam site and report it immediately.

In general, various dams are constructed to secure water by blocking the flow of rivers or to prevent a rapid increase in downstream flow due to floods.

However, there is a lack of basic data for safety management due to insufficient preservation of valuable information at the time of dam infrastructure construction, and computerization of essential information such as drawings, construction, physical properties, and measurement information of infrastructure completed before 2000 is insufficient.

In addition, it was difficult to support rapid decision-making due to the individualization and decentralization of information, and user accessibility was limited because dam inspection and diagnosis data were individually preserved in the form of paper reports. has become important

In addition, the skill, experience and know-how of the existing engineers are important, it takes a considerable amount of time for new transfer employees to become skilled, and dam inspections are limited to visual inspections by dam facility managers, and inspections in restricted access areas are difficult. there is.

In addition, the need for real-time collaboration to support rapid decision-making in the event of safety hazards at dam sites is increasing.

Meanwhile, as part of the Green New Deal, the government will introduce unmanned aerial vehicles (drones) for dam safety inspections in earnest from the second half of 2020, and by 2025, a three-dimensional virtual space (digital twin) and artificial intelligence (AI)-based 'dam smart safety The management system will be established step by step.

Digital twin refers to a virtual space that is used to identify and solve problems that may occur in the real world by implementing machines and equipment in the real world in a virtual world in a computer.

'Dam Safety Inspection Using Unmanned Aerial Vehicle' is a functional safety inspection method in which the state of the dam is captured using an unmanned aerial vehicle and then implemented as 3D graphics to check whether the dam body is damaged.

In the past, when a person directly went to a dam site to check for defects, it was difficult to access places that were difficult to access, but drones can be used to inspect dams more meticulously.

In the three-dimensional dam virtual space (digital twin) scheduled to be built from 2021, photos and video data inspected by drones can be accumulated and input. When such huge data (big data) is accumulated, artificial intelligence (AI) can be used to check the presence or absence of abnormalities in the dam.

Therefore, the government expects that by preemptively reinforcing and repairing dams by introducing advanced technologies, the ability to respond to crises will increase and the performance of aged dams will be improved so that dams can be operated safely for a long time.

As a related prior patent document, there is Korean Patent Publication No. 10-1997-0002726 (published on January 28, 1997), which describes a comprehensive management system for a multi-purpose dam using a decision-making support system and its implementation method. .

The purpose of the present invention to solve the above problems and to meet the above expectations is to express and visualize the structure of the dam with 3D modeling based on 3D space recognition, analyze the data detected through each sensor of the dam, Visually and three-dimensionally expresses data analysis results for easy understanding, provides information or knowledge using VR/AR without a complicated inference process, and synchronizes related data information to provide relevant information from different tools in real time It is to provide a 3D digital twin dam safety management system and method that allows practitioners to inspect each part in real time at the dam site and report it immediately.

In addition, the purpose of the present invention is to create a visualized 3D Geometry Digital Twin model for three-dimensional safety management, to divide the dam facility inspection area for inspection and diagnosis, and to construct an input/output UI/UX, A 3D digital twin that applies data valuing and visualization functions for intuitive understanding and synchronizes real-time measurement information with a 3D model to support quick decision-making through intuitive time-lapse analysis and automatically generate reports for safety management standards. It is to provide a dam safety management system and method.

In addition, the purpose of the present invention is to provide an AR tablet safety inspection tool and platform for improving the safety management work efficiency of dam facility managers, to provide augmented expression of digital information related to AR tablet-based dam bodies, and to automatically provide safety analysis data and make it intelligent 3D digital twin dam safety management that provides a checklist inspection function, AR application for field inspection based on the safety inspection process, location-based diagnosis, maintenance and reinforcement history visualization, and result summary report creation function To provide systems and methods.

The 3D digital twin dam safety management system according to an embodiment of the present invention for achieving the above object is a 3D digital twin dam safety management system for managing a dam body installed to confine a river, and is installed in each zone of the dam body At least one or more measuring instruments for measuring various types of information; The structure of the dam body is 3D modeled based on 3-dimensional space recognition, expressed as a digital twin dam model and visualized, and the data detected through the one or more measuring instruments is reflected in the digital twin dam model and analyzed to provide abnormalities. server; A database for storing main construction information, physical property information, inspection and diagnosis history information, and major maintenance and reinforcement information for the management of the dam body; and an inspection terminal for inputting inspection items for each zone of the dam body and transmitting the information to the control server while moving around the dam body.

The control server converts the internal foundation ground or structure of the dam body into 3D modeling to express the basic geology through grouting, adjusts the color and interval of the contour line for the surrounding landscape of the dam body, and the physical property information of the dam body It imports from the database to create surrounding topography and actual physical property space information, expresses civil engineering drawings for the main area of the dam body, makes it possible to search for information on the necessary drawings, and photographs from the inspection terminal at the site of the dam body When the included report is entered, a dam inspection report is automatically generated, and asset information can be expressed in conjunction with the asset management function of the dam body.

The digital twin dam model performs 3D modeling of the structure of the dam body based on 3D spatial recognition, divides the 3D modeled dam body into at least one zone, subdivides it into each dam body, manages it as a split model and an integrated model, and each dam body It provides a function to check the drawings of individual members for the zone, visualizes the location and information of the at least one instrument by blinking in red on the 3D modeling dam body, and seepage water meter and external displacement meter for the water stored in the dam body Data changes can be visualized in the form of a graph.

The at least one instrument includes at least one camera that acquires a state image of each region by photographing each region at the site of the dam body, and the digital twin dam model receives each region state image from the at least one or more cameras, It is reflected in the 3D modeling of the dam body in each zone, and when there is an abnormality by analyzing the state image of each zone, it is expressed as an alarm image in the 3D modeling of the dam body in the zone where the abnormality occurred, and an alarm sound can be output.

The inspection terminal, when photographing the site through a camera at the site of the specific area of the dam body and displaying it on the screen, receives digital information of civil engineering facilities for the dam body in the specific area from the control server to create augmented reality (AR) The daily inspection check list for the dam body is visualized and displayed on the screen, and the daily inspection check answer selected and input by the user is transmitted to the control server as inspection result information, and to the main management point of the dam body When located and scanning the QR code displayed on the site, the dam information of the current location is displayed on the screen, and the current location information is transmitted to the control server so that the location information of the field manager is displayed in the digital twin dam model.

The at least one instrument includes at least one drone device for acquiring a state image of each region by photographing each region at the site of the dam body, and the digital twin dam model obtains each region state image from the at least one drone device received and reflected in the dam body 3D modeling of each zone, and the digital twin dam model performs deep learning learning based on artificial intelligence (AI) on the image of the normal state of each zone of the dam body, and each zone received from the at least one drone device By analyzing the state image, it is possible to recognize whether there is an abnormality in each zone of the dam body, and to express an alarm image and audio in the 3D modeling of the dam body in the zone with an abnormality.

On the other hand, the 3D digital twin dam safety management method according to the present invention for achieving the above object is a 3D digital twin dam safety management method for managing a dam body installed to confine a river, (a) the dam body in the control server Generating a 3D digital twin dam model by 3D modeling based on 3D spatial recognition according to structure information; (b) the control server receiving various measurement information from at least one or more measuring instruments installed in each zone of the dam body; (c) the control server reflecting and analyzing the measurement information received from the at least one or more instruments to the digital twin dam model and providing an abnormality; (d) inputting inspection items for each zone of the dam body while the inspection terminal moves around the dam body and transmitting the information to the control server; and (e) automatically generating, by the control server, a dam inspection report based on inspection items for each section of the dam body received from the inspection terminal.

In the step (c), the control server clicks on the 3D modeling of the dam body in the 3D digital twin dam model when examining the appearance of the dam body, or moves to the region and member of the dam body selected by the user using navigation And, when displaying the sluice status, real-time water storage, inflow, water level, discharge, and generator discharge are displayed on the screen as 3D modeling for the dam body in the 3D digital twin dam model, based on the measurement information received from the one or more instruments According to the water level of the water stored in the dam, the water modeling height can be expressed in real time in the 3D digital twin dam model.

In the step (c), when the actual water gate of the dam body is closed and then opened, the water gate is opened in the 3D modeling of the dam body and the water is pouring, and an alarm indicating the replacement cycle of the water gate is displayed on the right side When the location view is clicked, the position of the corresponding water gate is displayed, and when the durability of the dam is investigated, the durability survey locations are displayed in the 3D modeling of the dam, and the desired option among sub-options of the durability investigation UI (User Interface) When is selected, the corresponding irradiation locations are blinked in a specific color so that they can be easily recognized. When an underwater survey according to precise safety diagnosis is selected, the screen is moved to the corresponding surface when the desired option is selected. If you click a specific color section of the screen with a mouse, information about the corresponding plane is displayed on the screen. If you check the option of the instrument you want to see among the at least one instrument, the names of the instruments are displayed in a specific color and the instruments are displayed. It blinks in a specific color, and if a translucent view is entered by clicking the right mouse button, the location of the instrument can be displayed through 3D modeling.

In the step (e), the control server, when the worker at the site of the dam body scans the QR mode on the site with the inspection terminal, the 3D modeling of the dam body at the location where the worker scanned the QR code Display the shape of a person, immediately search and use digital data necessary for work through database linkage with the inspection terminal, share control results and on-site inspection results in conjunction with the inspection terminal, and from the at least one instrument As a result of reflecting and analyzing the received measurement information on the digital twin dam model, specific event data is transmitted to the inspection terminal of the site manager to be displayed, and a daily inspection checklist for the dam body is visualized from the inspection terminal to display the screen It is displayed on the screen, daily inspection check answers selected and input by the user are received as inspection result information, and the progress status and inspection result for each task can be stored in the database.

According to the present invention, it is possible to achieve data visualization, intuition, sustainable usability, synchronization, and value of information according to the goals of the dam smart safety management system (digital twin) project. In other words, as data visualization, data analysis results can be expressed visually and three-dimensionally so that the results of data analysis can be easily understood. As intuition, it is possible to acquire information or knowledge without a complicated reasoning process by using VR/AR technology for given information. As utilization, it provides information with engineering value and contributes to rapid decision-making; as synchronization, it synchronizes related data information and provides related information in real time from different tools to improve productivity; A usability-based platform that can be used continuously and conveniently for safety management work can be provided.

In addition, the present invention can monitor sensor data at the dam site in real time, and can check intrusion, wandering, abandonment, abnormal operation, etc. through artificial intelligence (AI) image analysis, and input inspection items at the dam site to automatically This has the effect of visualizing reports and precision safety diagnosis reports.

In addition, the present invention can efficiently manage key information such as dam civil engineering facilities, terrain information, maintenance information, and physical property information by digitizing analog dam information.

In addition, the present invention can synchronize data in real time through the application of 3D model segmentation based on the main facilities and management areas of the dam.

In addition, the present invention can build a database for storing, using, and managing digitized major facility drawings, measurement sensor manuals, and various types of real-time data.

In addition, the present invention builds a digital twin dam for complex data management and dam safety operation simulation through a 3D digital twin dam safety platform, thereby establishing a virtual digital twin environment to which a fact-based 3D model is applied, and storing digital drawings and manuals, etc. It establishes a system for utilizing major digital data, synchronizes various integrated data such as measurement sensors and ERP data with a digital twin model in real time, and can visualize data. It provides a collaborative solution, synchronizes digital twin models by applying real-time exterior surveillance management solutions through video analysis technology, and manages facilities irregularly through object classification and behavior analysis of risk factors based on an intelligent video analysis engine. It is possible to automatically generate related facility safety inspection processes and reports through the synchronization of manager's location data.

In addition, the present invention provides a function of expressing real-time measurement data in AR form through an augmented reality (AR)-based solution for improving work efficiency of field managers, provides a remote collaboration application between the control room and field managers, and provides remote collaboration It provides transmission and reception of major city data and manuals, provides safety inspection contents based on the site manager's location data, provides a safety accident risk alarm function in dangerous sections and prohibited actions, and can display work checklists and digital manuals. there is.

1 is a configuration diagram schematically showing the configuration of a 3D digital twin dam safety management system according to an embodiment of the present invention.
2 is a diagram showing a digital twin dam model in which a dam site is implemented in a digital virtual space in a control server according to an embodiment of the present invention.
3 is a diagram showing an example of transmitting an accident risk alarm to an inspection terminal at a dam site through a safety fence algorithm according to an embodiment of the present invention.
4 is a diagram showing an example of dividing and managing one or more dam bodies in a digital twin dam model according to an embodiment of the present invention.
5 is a diagram showing measurement sensor locations and safety information visualization in a digital twin dam model according to an embodiment of the present invention.
6 is a diagram showing an example of displaying changes over time in data in a digital twin dam model according to an embodiment of the present invention.
7 is a diagram showing an example of expressing civil facility information in AR when a dam site is photographed and displayed in an inspection terminal according to an embodiment of the present invention.
8 is a diagram illustrating an example of displaying a daily inspection check list on a screen in the inspection terminal according to an embodiment of the present invention.
9 is a diagram illustrating an example of displaying a current location on a screen by scanning an on-site QR code in an inspection terminal according to an embodiment of the present invention.
10 is an operational flowchart showing a 3D digital twin dam safety management method according to an embodiment of the present invention.
11 is a diagram showing an example of setting an analysis cycle after connecting a control server and a dam field camera according to an embodiment of the present invention.
12 is a diagram showing an example of designating the ROI area number of a dam in a 3D digital twin dam model according to an embodiment of the present invention.
13 is a diagram showing an example of saving or deleting the ROI region number of a dam in a 3D digital twin dam model according to an embodiment of the present invention.
14 is a diagram showing an example of saving and initializing the ROI area state of a dam in a 3D digital twin dam model according to an embodiment of the present invention.
15 is a diagram showing an image connection screen of a 3D digital twin dam model according to an embodiment of the present invention.
16 is a diagram showing a report information search screen provided by a control server according to an embodiment of the present invention.
17 is a diagram showing an exterior survey UI of a 3D digital twin dam model according to an embodiment of the present invention.
18 is a diagram showing a hydrological status UI of a 3D digital twin dam model according to an embodiment of the present invention.
19 is a diagram showing a durability investigation UI of a 3D digital twin dam model according to an embodiment of the present invention.
20 is a diagram showing an underwater investigation UI of a 3D digital twin dam model according to an embodiment of the present invention.
21 is a diagram showing an instrument UI of a 3D digital twin dam model according to an embodiment of the present invention.
22 is a diagram showing a main screen operator, opening a water gate, and asset management notification UI of a 3D digital twin dam model according to an embodiment of the present invention.
23 is a diagram showing a precision safety diagnosis report automatically generated by the control server according to an embodiment of the present invention.
24 is a diagram illustrating an example of providing dam-related drawing information from a control server according to an embodiment of the present invention.
25 is a diagram showing an example of providing a dam inspection AR augmented screen in a control server according to an embodiment of the present invention.
26 is a view showing a report creation screen of an inspection terminal according to an embodiment of the present invention.
27 is a diagram showing an example of expressing the basic geology of a dam through a 3D digital twin dam model in a control server according to an embodiment of the present invention.
27 is a diagram showing an example of realizing surrounding topography and real physical property space information through a 3D digital twin dam model according to an embodiment of the present invention.
29 to 33 are views showing an example of executing equipment disassembly education by 3D modeling a dam structure according to an embodiment of the present invention.

Advantages and features of the present invention, and methods of achieving them, will become clear with reference to the detailed description of the following embodiments taken in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various different forms, and only these embodiments make the disclosure of the present invention complete, and common knowledge in the art to which the present invention belongs. It is provided to fully inform the holder of the scope of the invention, and the present invention is only defined by the scope of the claims. Thus, in some embodiments, well-known process steps, well-known device structures, and well-known techniques have not been described in detail in order to avoid obscuring the interpretation of the present invention. Like reference numbers designate like elements throughout the specification.

In the drawings, the thickness is shown enlarged to clearly express the various layers and regions. Like reference numerals have been assigned to like parts throughout the specification. When a part such as a layer, film, region, plate, etc. is said to be “on” another part, this includes not only the case where it is “directly on” the other part, but also the case where there is another part in between. Conversely, when a part is said to be "directly on" another part, it means that there is no other part in between. In addition, when a part such as a layer, film, region, plate, etc. is said to be "below" another part, this includes not only the case where it is "directly below" the other part, but also the case where another part is present in the middle. Conversely, when a part is said to be "directly below" another part, it means that there is no other part in between.

The spatially relative terms "below", "beneath", "lower", "above", "upper", etc. It can be used to easily describe the correlation between elements or components and other elements or components. Spatially relative terms should be understood as encompassing different orientations of elements in use or operation in addition to the orientations shown in the figures. For example, when flipping elements shown in the figures, elements described as “below” or “beneath” other elements may be placed “above” the other elements. Thus, the exemplary term “below” may include directions of both below and above. Elements may also be oriented in other orientations, and thus spatially relative terms may be interpreted according to orientation.

In this specification, when a part is said to be connected to another part, this includes not only the case where it is directly connected, but also the case where it is electrically connected with another element interposed therebetween. In addition, when a part includes a certain component, it means that it may further include other components without excluding other components unless otherwise specified.

In this specification, terms such as first, second, and third may be used to describe various components, but these components are not limited by the terms. The terms are used for the purpose of distinguishing one component from other components. For example, a first component may be termed a second or third component, etc., and similarly, a second or third component may be termed interchangeably, without departing from the scope of the present invention.

Unless otherwise defined, all terms (including technical and scientific terms) used in this specification may be used in a meaning commonly understood by those of ordinary skill in the art to which the present invention belongs. In addition, terms defined in commonly used dictionaries are not interpreted ideally or excessively unless explicitly specifically defined.

Hereinafter, a 3D digital twin dam safety management system and method according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a configuration diagram schematically showing the configuration of a 3D digital twin dam safety management system according to an embodiment of the present invention.

Referring to FIG. 1, the 3D digital twin dam safety management system 100 according to an embodiment of the present invention includes a dam body 110 installed to confine a river, and at least one instrument installed in each zone of the dam body 110 ( 120), a control server 130, a database (DB, 140) and a check terminal 150.

One or more measuring instruments 120 are installed in each zone of the dam body 110 to measure various types of information. Here, one or more measuring instruments 120 are a water quantity sensor for measuring the water stored in the dam, a water level sensor for measuring the water level stored in the dam, a water gate sensor for detecting the opening and closing of the water gate of the dam, and taking pictures of each section of the dam It may include a multi (Multi) CCTV including at least one camera to do. One or more measuring instruments 120 may transmit measurement data (Measurement Data) measured in each area of the dam body 110 to the control server 150 or store them in the database 140.

The control server 130 3D models the structure of the dam body 110 based on three-dimensional space recognition, expresses and visualizes it as a digital twin dam model, and reflects the data detected through one or more measuring instruments 120 to the digital twin dam model It analyzes and provides the presence or absence of abnormalities in the dam.

The database 140 stores main construction information, physical property information, inspection and diagnosis history information, and major maintenance and reinforcement information for the management of the dam body 110. Here, the database 140 may include a dam DB for storing information about dams and a contents DB for storing contents for managing dams.

The inspection terminal 150 moves around the dam body 110, inputs inspection items for each zone of the dam body 110, and transmits them to the control server 130. Here, the inspection terminal 150 receives real-time water storage amount, inflow amount, water level, discharge amount, structure, and actual physical property space information for the dam from the control server 130 as augmented reality (AR) content and displays it on the screen.

In addition, the inspection terminal 150 may transmit, to the control server 130, report data in which inspection items for each area of the dam are input by the user. To this end, the inspection terminal 150 may be implemented in the form of a tablet that is easy to carry by a site manager or inspector.

2 is a diagram showing a digital twin dam model in which a dam site is implemented in a digital virtual space in a control server according to an embodiment of the present invention.

Referring to FIG. 2 , the control server 130 according to an embodiment of the present invention may convert the internal foundation ground or structure of the dam body 110 into 3D modeling to express the basic geology through grouting.

In addition, the control server 130 adjusts the color and interval of the contour lines with respect to the surrounding landscape of the dam body 110, brings the property information of the dam body 110 from the database 140, and creates surrounding topography and actual property space information can express

In addition, the control server 130 may display civil engineering drawings for the main area of the dam body 110 and provide a function of searching for necessary drawing information.

In addition, the control server 130 may automatically generate a dam inspection report when a report including a photo is input from the inspection terminal 150 at the site of the dam body 110.

In addition, the control server 130 may display asset information in conjunction with the asset management function of the dam body 110 .

3 is a diagram showing an example of transmitting an accident risk alarm to an inspection terminal at a dam site through a safety fence algorithm according to an embodiment of the present invention.

As shown in FIG. 3, the control server 130 according to an embodiment of the present invention is a dam body for inspection of each zone by a field manager through a multi-CCTV installed at the site of the dam body 110 among one or more measuring instruments 120 ( 110) is acquired by photographing the movement around it.

Subsequently, as shown in FIG. 3, the control server 130 analyzes the site inspection video of the site manager through a safety fence algorithm, and when the site manager is recognized as being located in a dangerous area, the inspection terminal 150 carried by the site manager ) to send an accident risk alarm saying, “Do not enter the safety line.”

Therefore, it is possible to prevent an accident of the site manager in advance by warning the site manager of the risk of accident through the inspection terminal 150 to the site manager who is unaware of falling into danger while concentrating on the inspection task.

As described above, the 3D digital twin dam safety management system 100 according to an embodiment of the present invention is capable of recognizing safety accident prevention and external threat factors (wild animals, damage to facilities by manpower, etc.) of field managers. Multi-purpose algorithms can be applied to apply safety and facility management solution functions.

In addition, the 3D digital twin dam safety management system 100 according to an embodiment of the present invention provides a real-time notification to the control center and site manager according to the real-time video analysis result data and a function that automatically generates a control result report, It can be expected to improve the efficiency of work and remote collaboration.

Therefore, the 3D digital twin dam safety management system 100 according to an embodiment of the present invention extracts the exact location data of the field manager through real image data, visualizes it, and builds a system that can immediately respond to abnormal symptoms. possible.

4 is a diagram showing an example of dividing and managing one or more dam bodies in a digital twin dam model according to an embodiment of the present invention.

Referring to FIG. 4, the digital twin dam model in the control server 130 according to the embodiment of the present invention 3D models the structure of the dam body 110 based on 3D space recognition, and the 3D modeled dam body 110 It can be divided into at least one zone, subdivided into each dam body, and managed by a division model and an integrated model.

At least one or more measuring instruments 120 installed in each zone of the dam body 110 may include a multi-CCTV including at least one camera for photographing each zone of the dam.

In addition, at least one instrument may include at least one drone device that acquires a state image of each zone by photographing each zone at the site of the dam body.

Accordingly, the digital twin dam model may receive state images of each zone from at least one camera or at least one drone device and reflect the dam body 3D modeling of each zone.

In addition, the digital twin dam model learns deep learning based on artificial intelligence (AI) on the normal state image of each section of the dam body, analyzes the state image of each section received from at least one camera or at least one drone device, and analyzes each section of the dam body. By recognizing whether there is an abnormality in the area, it can be expressed as an alarm image and sound in the 3D modeling of the dam body in the area with the abnormality.

5 is a diagram showing measurement sensor locations and safety information visualization in a digital twin dam model according to an embodiment of the present invention.

Referring to FIG. 5, at least one instrument 120 includes at least one camera for acquiring a state image of each zone by photographing each zone at the site of the dam body 110, and the digital twin dam model includes at least one camera It can receive the state image of each zone from the dam body 3D modeling of each zone.

In addition, the digital twin dam model provides a function of checking the drawings of individual members for each dam body area, and the location and information of at least one instrument 120 can be visualized by blinking in red on the 3D modeling dam body .

Therefore, the digital twin dam model analyzes the state image of each area, and when there is an abnormality, it can be expressed as an alarm image in the 3D modeling of the dam body in the area where the abnormality occurred, and an alarm sound can be output.

6 is a diagram showing an example of displaying changes over time in data in a digital twin dam model according to an embodiment of the present invention.

Referring to FIG. 6, the digital twin dam model according to an embodiment of the present invention can visualize the data change of the infiltration water meter and the external displacement meter for the water stored in the dam body 110 in the form of a graph.

In addition, one or more measuring instruments 120 installed in each zone of the dam body 110 are a water quantity sensor for measuring the quantity stored in the dam, a water level sensor for measuring the water level of the water stored in the dam, and a water gate for detecting the opening and closing of the dam. It may include a water gate sensor and the like.

Therefore, the control server 130 displays the real-time water storage amount, inflow amount, water level, discharge amount, etc. in the digital twin dam model based on the data detected through each sensor, and changes the data through each sensor of the actual dam body 110 Whenever occurrence occurs, it can be reflected in the digital twin dam model and visualized and expressed in the form of a graph.

7 is a diagram showing an example of expressing civil facility information in AR when a dam site is photographed and displayed in an inspection terminal according to an embodiment of the present invention.

Referring to FIG. 7 , when the inspection terminal 150 according to an embodiment of the present invention captures the scene through a camera in the field of a specific area of the dam body 110 and displays it on the screen, a specific Digital information of civil engineering facilities for the dam body in the area can be received and expressed in augmented reality (AR).

In addition, the inspection terminal 150 according to the embodiment of the present invention can visualize the daily inspection checklist for the dam body 110 and display it on the screen as shown in FIG. 8 . 8 is a diagram illustrating an example of displaying a daily inspection check list on a screen in the inspection terminal according to an embodiment of the present invention.

Therefore, the inspection terminal 150 according to the present invention transmits the daily inspection check answer selected and input by the user to the control server 130 as inspection result information.

In addition, when the inspection terminal 150 according to the embodiment of the present invention is located at the main management point of the dam body and scans the QR code displayed on the site as shown in FIG. 9, the dam information of the current location is displayed on the screen. can 9 is a diagram illustrating an example of displaying a current location on a screen by scanning an on-site QR code in an inspection terminal according to an embodiment of the present invention. That is, when the inspection terminal 150 scans the QR code at the site of the dam, the current location information included in the scanned information is transmitted to the control server 130, and the control server 130 is the site manager's location information It is controlled to be displayed on the digital twin dam model.

10 is an operational flowchart showing a 3D digital twin dam safety management method according to an embodiment of the present invention.

Referring to FIG. 10, the 3D digital twin dam safety management system 100 according to an embodiment of the present invention performs 3D modeling of the dam body 110 in the control server 130 based on 3D spatial recognition according to structure information, A digital twin dam model is created (S910).

That is, the control server 130 generates a 3D digital twin dam model as shown in FIG. 2 based on the main construction information, physical property information, inspection and diagnosis history information, and main maintenance and reinforcement information stored in the database 140 It expresses the same shape and same motion as the actual dam body.

For example, in the 3D digital twin dam model, when the actual water gate of the dam body 110 is closed and then opened, the water gate is opened in the 3D modeling of the dam body 110 to express a state in which water pours, and informs the replacement cycle of the water gate The alarm is displayed on the right side, and when you click View Location, the location of the corresponding gate is displayed.

Subsequently, the control server 130 receives various measurement information from at least one or more measuring instruments installed in each zone of the dam body 110 (S920).

That is, the control server 130 receives data such as water storage amount, inflow amount, water level, discharge amount, and generator discharge amount from at least one or more measuring instruments 120 installed in each zone of the dam body 110, and real-time through a 3D digital twin dam model. With 3D modeling of the dam body, it is possible to display the amount of stored water, inflow, water level, discharge, and generator discharge.

In addition, when the control server 130 displays the current state of the water gate, the water modeling height is expressed in real time in the 3D digital twin dam model according to the water level of the water stored in the dam based on the measurement information received from one or more measuring instruments 120 can do.

Then, the control server 130 reflects and analyzes the measurement information received from at least one or more measuring instruments 120 in the digital twin dam model, and provides whether or not there is an abnormality (S930).

At this time, the control server 130, when examining the exterior of the dam body 110, clicks the 3D modeling of the dam body in the 3D digital twin dam model with a mouse or uses navigation to move to the region and member of the dam body selected by the user .

In addition, the control server 130, when investigating the durability of the dam body, displays the durability investigation locations in the 3D modeling of the dam body, and when a desired option is selected among the sub-options of the durability investigation UI (User Interface), the corresponding investigation location They can be easily recognized by blinking in a specific color.

In addition, the control server 130 causes the screen to be moved to the corresponding surface when a desired option is selected during underwater investigation according to the precise safety diagnosis, and when a mouse is clicked on a specific color section of the moved screen, the corresponding surface is selected. Information about can be displayed on the screen.

In addition, when the control server 130 checks the option of an instrument to be viewed among at least one or more instruments, the names of the corresponding instruments are displayed in a specific color and the instruments blink in a specific color, and a translucent view is displayed by clicking the right mouse button. Once entered, the position of the instrument can be displayed through 3D modeling.

Meanwhile, the inspection terminal 150 moves around the dam body 110, inputs inspection items for each zone of the dam body 110, and transmits them to the control server 130 (S940).

Subsequently, the control server 130 automatically generates a dam inspection report based on the inspection items for each zone of the dam body 110 received from the inspection terminal 150 (S950).

At this time, the control server 130, when the worker at the site of the dam body 110 scans the QR code on the site with the inspection terminal 150, the corresponding worker scans the QR code in the 3D modeling of the dam body 110 The shape of a person is displayed at the location of the place, the digital data necessary for work is immediately searched and used through linkage between the inspection terminal 150 and the database, and the control result and on-site inspection result are shared in conjunction with the inspection terminal 150. can do.

In addition, the control server 130 reflects and analyzes the measurement information received from at least one or more measuring instruments 120 in the digital twin dam model, and transmits specific event data to the inspection terminal 150 of the site manager to be expressed can do. Here, the one or more measuring instruments 120 may include an external displacement gauge, a seismometer, a piezoelectric pressure gauge, a positive pressure gauge, a water leakage gauge, and the like.

In addition, the control server 130 visualizes the daily inspection check list for the dam body from the inspection terminal 150 and displays it on the screen, receives the daily inspection check answer selected and input by the user as inspection result information, and Each progress status and inspection work results may be stored in the database 140 .

In addition, the control server 130 links with ERP facility management systems such as water resource stability information (measurement) and HDAPS, analyzes key data for intuitive understanding, creates visualizations and reports, and stores them in the database 140, or An automatic summary report of measurement items can be created and printed.

In addition, the control server 130 may execute stability evaluation simulation in connection with the performance evaluation of the infrastructure management method, apply 2D3D infiltration analysis, comparison with measured values by water level, numerical analysis measurement safety correlation model, infiltration flow analysis, It can be applied to earthquake response analysis, etc.

In addition, the control server 130 utilizes VR / AR technology during briefing in the facility management work situation room for major visitors by combining safety inspection innovative technology to monitor the current status and operation of the actual dam body 110 through a 3D digital twin dam model It can also be used as a VR/AR display experience facility for realistic facility management for the public at the Water Publicity Center.

In addition, the control server 130 converts the physical property information of the dam in analog form into digital form, stores it in the database 140 through data field definition, classification, stratification, etc., and dams, auxiliary facilities, basic geology, inspection Diagnosis, maintenance and reinforcement can be performed.

In addition, the control server 130 can electronically draw the completed drawing of the dam body through drone mapping, 3D laser scanning, paper drawing CAD drawing, etc. Through this, digital twin-based 3D visualization intelligent dam safety management platform (iDSP ) can be built.

In addition, the control server 130 may receive daily, weekly, monthly, and quarterly inspection reports for daily inspections from the inspection terminal 150, in addition to emergency/special inspections, and regular safety inspections every half year. , You can receive inspection reports on precision safety inspections once every 2 years and precision safety inspections once every 5 years.

In addition, the control server 130 may automatically provide a pop-up inspection item for each type of daily inspection (daily, weekly, monthly, quarterly) checklist and measurement stability summary information for sustainable utilization.

In addition, the control server 130 maps with drones, incorporates drone mapping technology to monitor deformation in restricted access areas, generates 3D models, analyzes photogrammetry images, and uses regular safety management ground reference points, optical imaging cameras, thermal imaging cameras, 3D modeling, and video Analysis, strain monitoring, etc. can be performed.

In addition, the control server 130 may introduce a GNSS survey, 3D laser scanner, 360 camera utilization, a precise digital modeling system inside and outside the facility, and apply a deep learning algorithm that automatically detects cracks in concrete structures.

On the other hand, the control server 130 according to an embodiment of the present invention can detect and analyze artificial intelligence facility cracks (cracks) by applying an AI analysis engine, and can synchronize and visualize GPS-based inspection locations.

11 is a diagram showing an example of setting an analysis cycle after connecting a control server and a dam field camera according to an embodiment of the present invention.

Referring to FIG. 11, the 3D digital twin dam model according to an embodiment of the present invention connects the control server 130 and the dam field camera when the address of the correct analysis server is entered in the 'Server Address' field and the 'Connect' button is entered. connect electrically

In addition, for the 3D digital twin dam model, enter the correct streaming url in the 'Camera address' field, enter the address of the rest server to which the analysis result will be transmitted from the analysis server (connect with the camera) in the 'Analysis result transmission' field, and then connect. Click to download live streaming video.

In addition, the 3D digital twin dam model sets the cycle (unit: second) for analysis in the analysis server (the initial value is set to 60 seconds), and the analysis server transmits the analysis result at a specific time specified by the user.

12 is a diagram showing an example of designating the ROI area number of a dam in a 3D digital twin dam model according to an embodiment of the present invention.

Referring to FIG. 12, the 3D digital twin dam model according to an embodiment of the present invention divides the 3D modeled dam body 110 into at least one zone as shown in FIG. The number of regions of interest (ROI) can be selected through the combo box.

Here, the initial value of the ROI area is set to zone 1.

Therefore, in the 3D digital twin dam model, if there is an ROI area corresponding to the currently selected number, it is displayed in blue on the screen, so that the user can easily check the corresponding area in the dam body of the 3D modeling.

13 is a diagram showing an example of saving or deleting the ROI region number of a dam in a 3D digital twin dam model according to an embodiment of the present invention.

Referring to FIG. 13 , the 3D digital twin dam model according to an embodiment of the present invention may store the currently selected ROI region through the ROI save button in the dam body of the 3D modeling.

In addition, the 3D digital twin dam model automatically selects the next number when saving the ROI area, and transmits the changed ROI information to the control server 130.

In addition, the 3D digital twin dam model can delete the currently selected ROI area through the ROI delete button.

14 is a diagram showing an example of saving and initializing the ROI area state of a dam in a 3D digital twin dam model according to an embodiment of the present invention.

Referring to FIG. 14 , the 3D digital twin dam model according to the embodiment of the present invention can store ROI area information and current state through a save button.

That is, the 3D digital twin dam model can be externally saved as a file called 'state.ini' in the same path as the execution file for ROI area information and current state.

In addition, the 3D digital twin dam model maintains the connection state of the control server 130 and the camera, and initializes ROI area information and the current state through an initialization button.

15 is a diagram showing an image connection screen of a 3D digital twin dam model according to an embodiment of the present invention.

Referring to FIG. 15, the 3D digital twin dam model according to an embodiment of the present invention has a message input window (①), a manager video (②), a field video (③), and a message output window between the site and the manager (④) can provide.

In addition, the 3D digital twin dam model can only support a chat function between the manager and the site, but in this case, the video call function between the manager and the site may not be supported.

16 is a diagram showing a report information search screen provided by a control server according to an embodiment of the present invention.

Referring to FIG. 16 , the control server 130 according to an embodiment of the present invention may check the searched report information by pressing a search button after inputting a report work date on the search screen.

The event search searches for an event corresponding to the date set by the user, and the event type means the state of the sluice gate, and displays sluice gate open and close events.

The log search window searches the id and occurrence time of successful or failed logins within the date set by the user and displays them on the screen.

After entering a search term in the classification document name, click the search button to search for the document, and you can search for detailed safety diagnosis reports and civil engineering drawings.

After entering the construction area as a search term, you can press the search button to check the searched repair and reinforcement information, and you can search for repair and reinforcement areas within the dam.

17 is a diagram showing an exterior survey UI of a 3D digital twin dam model according to an embodiment of the present invention.

Referring to FIG. 17, the 3D digital twin dam model according to an embodiment of the present invention can be obtained by double-clicking a dam body such as a concrete dam or a fill dam with a mouse, or by selecting MENU> Safety Inspection Group> Precise Safety Diagnosis> Appearance Survey from the main screen menu. Exterior surveys can be carried out through

At this time, the 3D digital twin dam model provides two possible methods as sub-members during exterior surveys. That is, using the method of double-clicking the 3D modeling with a mouse and using the navigation in the upper left corner.

You can easily move to the desired dam body and member through the navigation on the upper left.

18 is a diagram showing a hydrological status UI of a 3D digital twin dam model according to an embodiment of the present invention.

Referring to FIG. 18, the 3D digital twin dam model according to an embodiment of the present invention can provide a hydrological status UI through MENU> Dam operation information> Flood gate status in the main screen menu.

At this time, the 3D digital twin dam model displays the values of water storage, inflow, water level, discharge, and generator discharge in real time on the screen.

In addition, the 3D digital twin dam model can display real-time changes in water modeling height according to water level data based on measurement data detected from measuring instruments installed in each section of the actual dam.

19 is a diagram showing a durability investigation UI of a 3D digital twin dam model according to an embodiment of the present invention.

Referring to FIG. 19, the 3D digital twin dam model according to an embodiment of the present invention can provide a durability investigation UI through MENU> Safety Inspection Team> Precise Safety Diagnosis> Concrete Durability Survey in the main screen menu.

At this time, the 3D digital twin dam model displays durability survey locations in the 3D modeling of the dam body.

In the 3D digital twin dam model, if you check the desired option among the sub-options of the durability survey UI, the corresponding survey locations are displayed blinking in orange so that the survey locations can be easily identified.

20 is a diagram showing an underwater investigation UI of a 3D digital twin dam model according to an embodiment of the present invention.

Referring to FIG. 20, the 3D digital twin dam model according to an embodiment of the present invention may provide an underwater investigation UI through MENU> Safety Checkup> Precise Safety Diagnosis> Underwater Survey in the main screen menu.

At this time, if the 3D digital twin dam model checks the desired option among a number of options, the screen moves to the corresponding surface.

In addition, the 3D digital twin dam model provides information on the corresponding surface through a webpage when the mouse is clicked on the red section of the moved screen.

21 is a diagram showing an instrument UI of a 3D digital twin dam model according to an embodiment of the present invention.

Referring to FIG. 21 , the 3D digital twin dam model according to an embodiment of the present invention can provide an instrument UI through MENU> Instrument Safety Management> Instrument in the main screen menu.

At this time, in the 3D digital twin dam model, if you check the instrument option you want to see among the instrument options, the names of the corresponding instruments are displayed in red, so that each instrument blinks in red.

In addition, the 3D digital twin dam model can be viewed more easily by viewing the modeling in a translucent view by clicking the right mouse button and pressing the translucent view.

22 is a diagram showing a main screen operator, opening a water gate, and asset management notification UI of a 3D digital twin dam model according to an embodiment of the present invention.

Referring to FIG. 22, in the 3D digital twin dam model according to an embodiment of the present invention, when a worker in the field scans a QR code in the field through the APP of the inspection terminal 150, the corresponding worker in the control 3D DashBoard receives a QR Make a human figure appear at the location where the code was scanned.

In addition, when the 3D digital twin dam model opens and closes the sluice gates of the actual dam, the sluice gates open and the water pours out on the 3D Dashboard.

In addition, in the 3D digital twin dam model, an alarm indicating the replacement cycle of the sluice gate appears on the right side, and the location of the sluice gate is displayed when clicking View Location so that users can easily recognize it.

23 is a diagram showing a precision safety diagnosis report automatically generated by the control server according to an embodiment of the present invention.

Referring to FIG. 23, the control server 130 according to the embodiment of the present invention, based on the field inspection items received from the inspection terminal 150 of FIG. 7 in the field of the dam body 110, a precise safety diagnosis report can be automatically generated.

That is, the inspection terminal 150 at the dam site visualizes the daily inspection check list for the dam body 110 as shown in FIG. 8 and displays it on the screen, and the daily inspection check answer selected and input by the user It is transmitted to the control server 130 as inspection result information.

Accordingly, the control server 130 automatically generates a precise safety diagnosis report based on the inspection result information received from the inspection terminal 150 at the dam site.

24 is a diagram illustrating an example of providing dam-related drawing information from a control server according to an embodiment of the present invention.

24, the control server 130 according to an embodiment of the present invention provides a drawing information menu on the screen, and when drawing information is selected by the user, surrounding facility information and map information based on the dam body 110 can be presented on the screen.

In addition, the control server 130 may display a dam body-related civil work map or comprehensive plan drawing on the screen when a civil engineering drawing item or a comprehensive planning item is selected.

In addition, the control server 130 may output and provide various drawings related to the dam body 110 to the screen when drawing information is selected.

25 is a diagram showing an example of providing a dam inspection AR augmented screen in a control server according to an embodiment of the present invention.

Referring to FIG. 25, the control server 130 according to an embodiment of the present invention displays the status of a plurality of zones through a 3D digital twin dam model reflecting the state and situation of the actual dam body 110.

At this time, when a specific area is selected, the 3D digital twin dam model transmits location information to the control server 130, and when the dam confirmation button is pressed, the 3D dam body modeling is displayed as an AR augmented screen.

In addition, the control server 130 can check the data of each instrument with a toggle button.

In addition, when the control server 130 receives image data taken through a camera at the site of a specific area of the dam body 110 and displays it on the screen, the digital information of the civil engineering facility for the dam body in the specific area is augmented reality (AR).

26 is a view showing a report creation screen of an inspection terminal according to an embodiment of the present invention.

Referring to FIG. 26 , the inspection terminal 150 according to an embodiment of the present invention can write text on a report writing page, and can take a picture by pressing a photo capture button.

When the photographing button is pressed, the inspection terminal 150 takes a picture of the inspection site, includes the picture taken in a report, and transmits the picture to the control server 130 .

27 is a diagram showing an example of expressing the basic geology of a dam through a 3D digital twin dam model in a control server according to an embodiment of the present invention, and FIG. It is a diagram showing an example of implementing topography and real physical property space information.

27 and 28, the 3D digital twin dam model according to the embodiment of the present invention can express the internal foundation ground or structure of the dam in 3D modeling according to grouting.

In addition, the 3D digital twin dam model can realize the surrounding topography and real physical property space information by expressing the surrounding landscape through 3D modeling.

That is, the 3D digital twin dam model provides a function to adjust the color and interval of the contour line through 3D modeling of the dam, and can bring the material property information of the dam part from the database 140 and display it on the screen.

29 to 33 are views showing an example of executing equipment disassembly education by 3D modeling a dam structure according to an embodiment of the present invention.

29 to 33, the 3D digital twin dam model according to the embodiment of the present invention can be created as high-resolution 3D content by 3D modeling the structure of the actual dam body 110 based on the actual picture.

In addition, the 3D digital twin dam model displays the name of each part when the facility in the actual site is photographed through the inspection terminal 150 and displayed on the screen during 3D modeling facility disassembly training, and when the corresponding part is clicked, the part , equipment modeling can be imported and the corresponding parts and equipment can be disassembled on the tablet.

In addition, the 3D digital twin dam model can provide documents suitable for the item in various file formats such as Xlsx, jpg, hwp, and pdf.

In addition, the 3D digital twin dam model provides a screen for disassembly when a specific machine is selected, and when touched, the color of the part changes so that you can intuitively know which part has been selected.

In addition, the 3D digital twin dam model can provide a function to zoom in and out to see only the part in detail by long-pressing the part you want to see in detail and bringing it to the magnifying glass shape.

In addition, the 3D digital twin dam model can be used to train employees with insufficient expertise and to secure the safety of novice technicians by taking images of disassembling parts and providing them as 3D maintenance guides.

As described above, the 3D digital twin dam safety management system and method according to an embodiment of the present invention remotely links the data collection results using the instrument 120 in the field of the dam body 110 to the control server 130 system interfaces can be built.

In addition, field collection data can be visualized in a 3D digital twin dam model of the control server 130 in conjunction with the remote control server 130, and data values can be displayed through a dashboard.

In addition, it is possible to build a system interface that interworks video data of CCTVs installed in the field with the remote control server 130.

In addition, the image analysis algorithm may be driven through the real image data, the driving result may be displayed on the control server 130 in a remote location, and the image analysis result data may be stored in the database 140.

In addition, control results and site inspection results may be shared by linking the control server 130 and the inspection terminal 150 of the site manager.

In addition, specific event data as a result of video analysis in the control server 130 may be displayed on the inspection terminal 150 of the site manager.

In addition, the on-site inspection terminal 150 transmits the real-time safety inspection progress and results to the control server 130, and transmits the site manager's location data collected through the tablet to the control server 130 to the control server 130 in real time. You can visualize the position of the manager.

In addition, it is possible to immediately search and use digital data necessary for work through database linkage between the site manager and the control server, and the progress status and work results for each task can be stored in the database 140.

In addition, the 3D digital twin dam model in the control server 130 can provide an enlargement function when selecting a corresponding area through 3D model subdivision by area/facility.

In addition, the 3D digital twin dam model can visualize the location of measurement facilities on the 3D model and display the collected data of the measurement facility when the corresponding icon is clicked, and can apply a visualization function that can check the location of the 3D model and facilities from a free viewpoint.

In addition, the control server 130 may configure a checkerboard interface for simultaneous confirmation of multi-channel real-time video, and display main equipment data and event data in a dashboard form.

In addition, the control server 130 may apply a statistical information display function, a statistical customizing function, a control priority setting function, a pop-up and icon flickering function when an event occurs, and a control result history search and log search interface.

In addition, the present invention can designate the AR data display location according to the location of safety inspection facilities, apply the timeline and status bar according to the progress of safety inspection, apply digital data display/hide/translucency functions such as drawings and manuals, A visual/auditory feedback interface for user interaction may be applied.

According to the present invention, the structure of the dam is expressed and visualized through 3D modeling based on 3D spatial recognition, and the data detected through each sensor of the dam is analyzed to visually and three-dimensionally express the results of data analysis so that it is easy to understand. , Information or knowledge is provided using VR/AR without a complicated inference process, and related data information is synchronized to provide related information in real time from different tools, and practitioners inspect each part in real time at the dam site It is possible to realize a 3D digital twin dam safety management system and method that allows immediate reporting.

On the other hand, in the 3D digital twin dam safety management system according to an embodiment of the present invention, when the water stored in the dam body 110 is discharged by opening the water gate, some of the discharged water is introduced and filtered, and then supplied as tap water. A water purifier may be included.

In this case, the filter-type water purifying device may include a reaction tank including an inlet and an outlet, a micro filter, and a support plate. The inlet is for tap water to flow in, and is connected to the pressure reducing device, and tap water is introduced through the inlet. A micro filter is a primary filter, which firstly filters and removes contaminants including floating and suspended substances and debris contained in tap water. The outlet discharges tap water that has been filtered first. The support plate supports the microfilter. A filter-type water purifier connected to a decompression device has a bypass pipe installed at the top and is used when replacing or repairing a micro filter, and has a structure in which the bypass pipe is connected to the outlet line. A micro filter is a micro filtration filter using media made of cotton, polypropylene, acrylic, grass, or PP. Depending on the size of the filter, contaminants such as floating and suspended matter and various debris contained in tap water are removed in micron units. is removed and discharged through the exhaust port.

In addition, a filter-type water purifying device according to another embodiment includes a reaction tank including an inlet and an outlet, a secondary filter, a support plate, and a control panel. The inlet of the reaction tank is connected to the water tank of the apartment house, and tap water or primary treated tap water is supplied through the inlet, and the supplied tap water or primary treated tap water is purified by secondary treatment while passing through an activated carbon filter and a sterilizer. It is discharged through the discharge port of the reaction tank. The filter-type water purifier connected to the water tank of the apartment house has a bypass pipe installed on the upper part to be used when replacing or repairing the carbon filter and UV lamp, and is formed in a structure in which the bypass pipe is connected to the outlet line. The secondary filter may include an activated carbon filter and a sterilizer. The activated carbon filter is a carbon filter and is composed of activated carbon and a cylindrical porous mesh structure, and the sterilizer is composed of a UV lamp, a quartz tube, and a ballast. The secondary filter is configured so that the UV lamp of the sterilizer is mounted in the center of the carbon filter of the activated carbon filter through the inside of the purified water filter, and is formed in the reaction space of the secondary filter. The secondary filter is configured to be vertically fixed to the horizontal lower support plate of the reaction space unit, and is installed to be disposed elongated in the vertical direction.

Further, an ultraviolet (UV) sterilization water purification device according to another embodiment includes a filter housing, a first pressure sensor, a filter, a filter guide unit, a UV unit housing, a UV sterilization unit, and a second pressure sensor. The filter housing houses the filter, and the filter filters tap water. The filter guide unit serves as a guide when the filter is installed inside the filter housing. The first pressure sensor detects the pressure of tap water introduced through the inlet. The UV unit housing accommodates a UV sterilization unit, and the UV sterilization unit performs a role of sterilizing and purifying tap water by irradiating UV light on the introduced tap water. The second pressure sensor senses the pressure of sterilized and purified tap water.

As described above, tap water filtered, adsorbed, and sterilized by the water purifying device is supplied to each household in an upward supply method by a water supply pump installed in a water supply pipe.

Although the above has been described based on the embodiments of the present invention, various changes or modifications may be made at the level of a technician having ordinary knowledge in the technical field to which the present invention belongs. Such changes and modifications can be said to belong to the present invention as long as they do not deviate from the scope of the technical idea provided by the present invention. Therefore, the scope of the present invention will be determined by the claims described below.

100: 3D digital twin dam safety management system 110: dam body
120: instrument 130: control server
140: database 150: inspection terminal

Claims (10)

A dam body installed to confine the river;
At least one or more instruments installed in each zone of the dam body to measure various information;
When the water stored in the dam body is discharged by opening the sluice gate, a filter-type water purifying device that partially flows in and filters the discharged water before supplying it as tap water;
The structure of the dam body is 3D modeled based on 3-dimensional space recognition, expressed as a digital twin dam model and visualized, and the data detected through the one or more measuring instruments is reflected in the digital twin dam model and analyzed to provide abnormalities. server;
A database for storing main construction information, physical property information, inspection and diagnosis history information, and major maintenance and reinforcement information for the management of the dam body; and
An inspection terminal for inputting inspection items for each zone of the dam body and transmitting them to the control server while moving around the dam body;
including,
The digital twin dam model generates 3D content by 3D modeling the structure of the dam body, and according to the 3D content, the equipment at the site of the dam body is photographed through the inspection terminal and displayed on the screen. The name is displayed, and when the corresponding part is clicked, part and equipment modeling is called, and the parts and equipment are disassembled and displayed.
The filter-type water purifying device includes a reaction tank including an inlet and an outlet, a micro filter, a bypass pipe, and a support plate, the inlet is connected to a decompression device and tap water is introduced, and the micro filter is a primary filter that is suspended in tap water. and primarily filtering contaminants including suspended matter and debris, the outlet discharging the primarily filtered tap water, the support plate supporting the microfilter, and the bypass pipe replacing or repairing the microfilter. A 3D digital twin dam safety management system formed as a structure that is used in cases and connected to the outlet line.
According to claim 1,
The control server,
The internal foundation ground or structure of the dam body is converted into 3D modeling to express the foundation geology through grouting,
Adjust the color and interval of the contour lines for the surrounding landscape of the dam body, import the property information of the dam body from the database to create surrounding topography and actual physical property space information,
Displays the civil engineering drawings for the main areas of the dam body, and enables the search for necessary drawing information,
When the report contents including photos are input from the inspection terminal at the site of the dam body, a dam inspection report is automatically generated,
Expressing asset information in conjunction with the asset management function of the dam body,
3D digital twin dam safety management system.
According to claim 1,
The digital twin dam model,
The structure of the dam body is 3D modeled based on 3D spatial recognition, the 3D modeled dam body is divided into at least one zone, subdivided into each dam body, and managed as a split model and an integrated model, and drawings of individual members for each dam body zone It provides a function to check
The location and information of the at least one instrument is visualized by blinking in red on the 3D modeling dam body,
Visualizing the data change of the seepage water meter and the external displacement meter for the water stored in the dam body in the form of a graph,
3D digital twin dam safety management system.
According to claim 1,
The at least one instrument includes at least one camera for acquiring a state image of each zone by photographing each zone at the site of the dam body,
The digital twin dam model receives the state image of each zone from the at least one camera and reflects it in the 3D modeling of the dam body of each zone,
Analyzing the state image of each zone and displaying it as an alarm image in the dam body 3D modeling of the zone where the abnormality occurred in case of an abnormality, and outputting an alarm sound,
3D digital twin dam safety management system.
According to claim 1,
The inspection terminal, when photographing the site through a camera at the site of the specific area of the dam body and displaying it on the screen, receives digital information of civil engineering facilities for the dam body in the specific area from the control server to create augmented reality (AR) expressed as
The daily inspection check list for the dam body is visualized and displayed on the screen, and the daily inspection check answer selected and input by the user is transmitted to the control server as inspection result information,
When located at the main management point of the dam body and scanning the QR code displayed on the site, the dam information of the current location is displayed on the screen, and the current location information is transmitted to the control server to obtain the location information of the field manager in the digital twin dam model to be displayed,
3D digital twin dam safety management system.
According to claim 1,
The at least one instrument includes at least one drone device for acquiring each zone state image by photographing each zone at the site of the dam body,
The digital twin dam model receives the state image of each zone from the at least one drone device and reflects it in the 3D modeling of the dam body in each zone,
The digital twin dam model learns deep learning based on artificial intelligence (AI) on the normal state image of each region of the dam body, analyzes the state image of each region received from the at least one drone device, and finds abnormalities in each region of the dam body. Recognizes whether there is a problem and expresses it as an alarm video and audio in the 3D modeling of the dam body in the area with an abnormality.
3D digital twin dam safety management system.
A dam body installed to confine the river; At least one or more instruments installed in each zone of the dam body to measure various information; When the water stored in the dam body is discharged by opening the sluice gate, a filter-type water purifying device that partially flows in and filters the discharged water before supplying it as tap water; control server; And a 3D digital twin dam safety management method of a system including an inspection terminal,
(a) generating a 3D digital twin dam model by 3D modeling the dam body based on 3D spatial recognition according to structure information in the control server;
(b) the control server receiving various measurement information from at least one or more measuring instruments installed in each zone of the dam body;
(c) the control server reflecting and analyzing the measurement information received from the at least one or more instruments to the digital twin dam model and providing an abnormality;
(d) the inspection terminal moving around the dam body while inputting inspection items for each zone of the dam body and transmitting the information to the control server; and
(e) automatically generating a dam inspection report based on the inspection items for each section of the dam body received from the inspection terminal by the control server;
including,
The 3D digital twin dam model generates 3D content by 3D modeling the structure of the dam body, and according to the 3D content, the equipment at the site of the dam body is photographed through the inspection terminal and displayed on the screen. Each part Displays the name of the part, and when the part is clicked, parts and equipment modeling is called, and parts and equipment are disassembled and displayed.
The filter-type water purifying device includes a reaction tank including an inlet and an outlet, a micro filter, a bypass pipe, and a support plate, the inlet is connected to a decompression device and tap water is introduced, and the micro filter is a primary filter that is suspended in tap water. and primarily filtering contaminants including suspended matter and debris, the outlet discharging the primarily filtered tap water, the support plate supporting the microfilter, and the bypass pipe replacing or repairing the microfilter. A 3D digital twin dam safety management method that is used in cases and formed as a structure connected to the outlet line.
According to claim 7,
In the step (c), the control server,
When examining the appearance of the dam body, click the 3D modeling of the dam body in the 3D digital twin dam model with a mouse or use navigation to move to the region and member of the dam body selected by the user,
When displaying the sluice status, real-time water storage, inflow, water level, discharge, and generator discharge are displayed on the screen as 3D modeling for the dam body in the 3D digital twin dam model,
Based on the measurement information received from the one or more instruments, the water modeling height is expressed in real time in the 3D digital twin dam model according to the water level of the water stored in the dam,
3D digital twin dam safety management method.
According to claim 7,
In the step (c), the control server,
When the actual sluice gate of the dam body is closed and then opened, the 3D modeling of the dam body also opens the sluice gate and expresses the state of water pouring, and an alarm indicating the replacement cycle of the sluice gate is displayed on the right, and the location of the corresponding sluice gate when clicking View Location indicates,
When investigating the durability of the dam body, durability investigation positions are displayed in the 3D modeling of the dam body, and when a desired option is selected among sub-options of the durability investigation UI (User Interface), the corresponding investigation positions are blinked in a specific color make it easily recognizable,
During underwater investigation according to precise safety diagnosis, if the desired option is selected among the options, the screen is moved to the relevant surface, and when the mouse is clicked on the specific color section of the moved screen, information about the relevant surface is displayed on the screen. and
If you check the instrument option you want to see among the at least one instrument, the names of the instruments are displayed in a specific color and the instruments blink in a specific color, and when a translucent view is entered by clicking the right mouse button, the to indicate location,
3D digital twin dam safety management method.
According to claim 7,
In the step (e), the control server,
When the worker at the site of the dam body scans the QR mode on the site with the inspection terminal, the 3D modeling of the dam body displays a human shape at the location where the worker scanned the QR code,
By linking the inspection terminal and the database, the digital data necessary for work can be immediately searched and used,
In conjunction with the inspection terminal, control results and on-site inspection results are shared,
As a result of reflecting and analyzing the measurement information received from the at least one or more measuring instruments in the digital twin dam model, specific event data is transmitted to the inspection terminal of the site manager so that it is expressed,
The daily inspection check list for the dam body is visualized and displayed on the screen from the inspection terminal, the daily inspection check answer selected and input by the user is received as inspection result information, and the progress status and inspection result for each task are stored in the database doing,
3D digital twin dam safety management method.

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